SHSeals - Premium Mechanical Seals & Sealing Solutions

About SHSeals

As a leading manufacturer of mechanical seals and sealing products in China, Sino-Seals Co., Ltd, with over two hundred staff across three factories, specializes in designing, manufacturing, and marketing high-performance sealing solutions. Founded in 1999 and headquartered in Beijing, we have grown rapidly through continuous innovation and investment in R&D.

With over 20 years of experience, we have developed a comprehensive product line including mechanical seals, encapsulated O-rings, silicon carbide components, wave springs, tungsten carbide parts, alumina ceramics, carbon products, and more. Our advanced manufacturing facilities in Hebei Province ensure strict quality control and on-time delivery.

ISO-Certified Manufacturing
OEM & Custom Design Capabilities
Global Distribution Network
24-Hour Technical Support

Factory Interior - SHSeals Manufacturing

20+ Years of Excellence

Delivering reliability since 1999

Our Products

High-performance sealing components engineered for durability, precision, and reliability in demanding industrial environments.

Wave Spring

High-precision wave springs for mechanical seals and dynamic applications. Excellent load distribution and space-saving design.

Standard & Custom Sizes

FEP Encapsulated O-Ring

Chemically resistant seals with PTFE/FEP jacket and elastomer core. Ideal for aggressive media and high-purity applications.

Corrosion Resistant

Silicon Carbide (SIC-4)

High-hardness, wear-resistant ceramic components for mechanical seal faces. Superior thermal conductivity and low friction.

High Temp & Wear Resistant

Tungsten Carbide (TC)

Extremely hard and durable sealing faces for high-pressure, abrasive, and high-temperature environments.

Abrasion Resistant

SE2C Cartridge Seal

Pre-assembled cartridge seal for Sulzer ABS pumps. Easy installation, reduced downtime, and reliable performance.

OEM Replacement

SH-TUL-S Mechanical Seal

Single mechanical seal with conical spring design. Ideal for chemical, petrochemical, and process industries.

Conical Spring

Wave Spring Seal

Mechanical seal with integrated wave spring for consistent face loading. Excellent for axial movement compensation.

Axial Flexibility

Metal Bellow Seal

Hermetically sealed bellow design eliminates elastomers from process fluid. Ideal for high-temperature and cryogenic applications.

Zero Leakage

Alumina Ceramic

High-purity aluminum oxide components for electrical insulation, wear resistance, and chemical stability.

Electrical Insulator

Carbon Products

Self-lubricating carbon seals and bearings for dry-running and low-friction applications.

Self-Lubricating

Double Cartridge Seal

Dual seal arrangement with barrier fluid for hazardous or critical applications requiring zero fugitive emissions.

API 682 Compliant

OEM Pump Seals

Exact replacements for Sulzer, Grundfos, KSB, Flygt, Ebara, and other major pump manufacturers.

Direct Fit

View All 112 Product Pages

Why Choose SHSeals?

Advanced Manufacturing

Three modern factories with CNC machining, sintering, and precision grinding capabilities.

Quality Assurance

Rigorous testing including pressure, leak, and material verification for every batch.

Global Reach

Serving customers in over 50 countries with fast shipping and local support.

Custom Engineering

Tailored sealing solutions for unique applications and challenging environments.

Frequently Asked Questions

What types of mechanical seals do you manufacture?

We produce a wide range including single and double cartridge seals, metal bellow seals, elastomeric bellow seals, multi-spring, wave spring, and PTFE bellow seals. We also offer OEM replacements for Sulzer, Grundfos, KSB, Flygt, Ebara, and many other brands.

Can you customize seals for specific applications?

Yes, we offer full custom design and manufacturing services. Our engineering team can develop seals for unique pressure, temperature, speed, and media requirements. We work with materials including tungsten carbide, silicon carbide, alumina ceramic, carbon, and specialty alloys.

What materials are available for seal faces?

We offer silicon carbide (SIC), tungsten carbide (TC), alumina ceramic, carbon, and various coatings. Material selection depends on the application's chemical compatibility, temperature, pressure, and abrasion requirements.

Do you provide technical support?

Yes, our technical team provides 24/7 support for seal selection, installation guidance, failure analysis, and troubleshooting. We help optimize seal performance and extend service life.

What certifications do you have?

Our manufacturing processes follow international quality standards. We maintain strict process controls and documentation for traceability and consistency across all production batches.

Contact SHSeals

For inquiries about our products or pricelist, please contact us directly through the official website.

Phone

+86 312 5805378

+86 312 592 5179

18600965898

Email

alex@sh-seals.com

Location

Hebei Province, China

Headquarters

Beijing, China

Visit Official Website to Contact

Note: Any use of company names, trademarks, model numbers, or part numbers is for reference only. Sino-Seals Co., Ltd is not an authorized distributor or service provider for any mentioned brands.

China Quality Suppliers fobcompany.info

Notice for Buyers: If you are a buyer, the above information is generated by AI collection and does not constitute any advice. If necessary, please visit the corresponding official website.

For Domain Owners: If you are the domain owner and do not want to be included by fobcompany.info, please contact support@fobcompany.info via your corporate email to cancel. We will cancel your inclusion within 3 business days.

如果您是域名所有者不想被fobcompany.info收录请用企业邮箱联系support@fobcompany.info 取消收录我们将在3个工作日取消您的收录

Service Request: If you are other domain and want to be included, please contact support@fobcompany.info

如果您是其他域名合作也请联系support@fobcompany.info

Precision Sealing Solutions